What occupancy type contains multiple occupancy or use groups?

Your patient was in a motor vehicle collision but was not discovered until 3 hours after the event. When you examine her, you discover bilateral discolored skin over the mastoid process. You should suspect:

A) temporal bone fracture. B) frontal bone fracture. C) basilar skull fracture. D) a fractured sinus.

The current recommended agent for treating this inhalation complication is IV hydroxocobalamin:

a. carbon monoxide b. heat inhalation injury c. chemical burns d. cyanide inhalation